Originally Posted by
simong
There is no domestic liquid restriction in Australia, so assuming the connection SYD-MEL is a domestic one you can just carry on, no issues.
NOT if you are flying United, as the SYD-MEL leg is considered international.
Believe me, I found out the hard way!
OP, if you are flying United do not buy any duty free at LAX as you will lose it, there is no access to checked baggage @ SYD